laws in effect. seven others ask for photo i.d.s but allow casting a ballot if the voter can provide another form of identification. five more states have passed strict voter i.d. laws that have now been blocked or put on hold now including pennsylvania. >> some democrats were concerned the voter i.d. law could make pennsylvania a closer contest than the polls currently suggest. now after today, they don't have to worry as much. >> reporter: nationwide the toughest voter i.d. laws are facing resistance in court. more states are likely to require photo i.d.s of some kind in future elections. brian? >> pete williams in our d.c. newsroom tonight, thanks. >>> we mentioned this consumer story in the news tonight. a staple of american life, peanut butter has become a source of worry in recent days because of the recall that's big and getting bigger. now including different brand names and all kinds of other products like cookies, crackers and sauces. our report tonight from nbc's chris jansing. >> reporter